45971517 has 8 divisors (see below), whose sum is σ = 61342624. Its totient is φ = 30624048.

The previous prime is 45971509. The next prime is 45971533. The reversal of 45971517 is 71517954.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 45971517 - 2³ = 45971509 is a prime.

It is a super-2 number, since 2×45971517² = 4226760750562578, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45971567) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 718 + ... + 9615.

It is an arithmetic number, because the mean of its divisors is an integer number (7667828).

Almost surely, 2^45971517 is an apocalyptic number.

It is an amenable number.

45971517 is a deficient number, since it is larger than the sum of its proper divisors (15371107).

45971517 is a wasteful number, since it uses less digits than its factorization.

45971517 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11819.

The product of its digits is 44100, while the sum is 39.

The square root of 45971517 is about 6780.2298633601. The cubic root of 45971517 is about 358.2308182437.

The spelling of 45971517 in words is "forty-five million, nine hundred seventy-one thousand, five hundred seventeen".